Home / 1,774,168.03-2,661,251.75-426,330.63

Finding the Fourth Proportional to 1,774,168.03, 2,661,251.75 and 426,330.63

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Solution

The fourth proportional to 1,774,168.03, 2,661,251.75 and 426,330.63 is: 639,495.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774,168.03 : 2,661,251.75 = 426,330.63 : x
  2. Step 2: Convert to fraction form
    1,774,168.03/2,661,251.75 = 426,330.63/x
  3. Step 3: Cross multiply
    1,774,168.03x = 2,661,251.75 × 426,330.63
  4. Step 4: Simplify right side
    1,774,168.03x = 1,134,573,135,166.10
  5. Step 5: Solve for x
    x = 1,134,573,135,166.10/1,774,168.03
  6. Step 6: Final answer
    x = 639,495.87

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.